Context free grammar is called Type 2 grammar because of _____________ – McqOptions

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1.	Context free grammar is called Type 2 grammar because of ______________ hierarchy.
A.	Greibach
B.	Backus
C.	Chomsky
D.	None of the mentioned
Answer» D. None of the mentioned

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A CFG consist of the following elements:
Find a regular expression for a grammar which generates a language which states :<br>L contains a set of strings starting wth an a and ending with a b, with something in the middle.
If the partial derivation tree contains the root as the starting variable, the form is known as:
There exists a Context free grammar such that:<br>X->aX
If P is the production, for the given statement, state true or false.<br>P: V->(V T)* represents that the left hand side production rule has no right or left context.
From the definition of context free grammars,<br>G=(V, T, P, S)
a b<br>Restriction: Length of b must be atleast as much length of a.
Context free grammar is called Type 2 grammar because of ______________ hierarchy.